School children have become as familiar with hardware and software 4.　 their parents were with pencils and exercise books.Computerisation(电脑化) of public records has enabled government departments to analyse the needs of citizens in detail.Some of us may wonder,however,5.　 life has really improved as a result of these changes.Many jobs disappeared,for example,6. intelligent machines took over the work.Employers complain 7. clerical staff have become so dependent on calculators 8. they can’t do simple arithmetic.There are fears 9. governments have not done enough to make sure that personal information held on computers is really kept secret. 

　　There is no doubt 10. many people are worrying about the problems that the spread of computers has brought us.

　　语法专题十二　名词性从句

　　对应演练·迁移运用

　　.1.what　分析句子结构可知,句中的investigate是及物动词,后跟宾语从句,从句中缺少主语,故填what。句意:如果你去河里或湖里游泳,一定要调查清楚水面下有什么。经常有岩石或树枝藏在水下。

　　2.why　分析句子结构可知,tell后面的宾语从句中不缺主语、宾语或表语,所以引导词不用连接代词。根据句意“这次展览告诉我们,为什么我们应该为防止空气污染做点事。” 可知空格处应该填why,表示我们应该为防止空气污染做点事的原因。

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